Finding the Fourth Proportional to 26,472,340.92, 39,708,542.60 and 8,276,631.60
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Solution
The fourth proportional to 26,472,340.92, 39,708,542.60 and 8,276,631.60 is: 12,414,957.16
Step by Step Solution
- Step 1: Write the proportion equation
26,472,340.92 : 39,708,542.60 = 8,276,631.60 : x - Step 2: Convert to fraction form
26,472,340.92/39,708,542.60 = 8,276,631.60/x - Step 3: Cross multiply
26,472,340.92x = 39,708,542.60 × 8,276,631.60 - Step 4: Simplify right side
26,472,340.92x = 328,652,978,473,106.19 - Step 5: Solve for x
x = 328,652,978,473,106.19/26,472,340.92 - Step 6: Final answer
x = 12,414,957.16
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.